FTP可以连接得上，但是上传不了文件

FTP可以连接得上，但是上传不了文件，出现550等类似的情况，文件的权限已经给777了，求大神帮忙解决下，小弟不胜感激！



150 Connecting to port 31464
226-Options: -l
226 0 matches total
传送完成: 0 字节在 0.000 秒内 (0.00 k/秒)
MKD /old/duswamphelp
552-Quota exceeded: [/old/duswamphelp] won't be saved
552-100000 files used (100%) - authorized: 100000 files
552 3615665 Kbytes used (3%) - authorized: 102400000 Kb
CWD /old/duswamphelp
550 Can't change directory to /old/duswamphelp: No such file or directory
PWD
257 "/old" is your current location